Currently we open-code the lifetime of the route we advertise via NDP to be
65535s (the maximum). Change it to a #define.
Signed-off-by: David Gibson <david(a)gibson.dropbear.id.au>
---
ndp.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/ndp.c b/ndp.c
index 5fda0f5..c5fbccf 100644
--- a/ndp.c
+++ b/ndp.c
@@ -33,6 +33,8 @@
#include "tap.h"
#include "log.h"
+#define RT_LIFETIME 65535
+
#define RS 133
#define RA 134
#define NS 135
@@ -229,7 +231,7 @@ static void ndp_ra(const struct ctx *c, const struct in6_addr *dst)
.icmp6_code = 0,
.icmp6_hop_limit = 255,
/* RFC 8319 */
- .icmp6_rt_lifetime = htons_constant(65535),
+ .icmp6_rt_lifetime = htons_constant(RT_LIFETIME),
.icmp6_addrconf_managed = 1,
},
.prefix_info = {
--
2.47.0